Tetsu-to-Hagane
Online ISSN : 1883-2954
Print ISSN : 0021-1575
ISSN-L : 0021-1575
Steelmaking
Prediction of Plunging Depth Induced by Top Lance Gas Blowing onto a Low-melting-point Metal Bath
Shingo SatoMakoto AndoJun OkadaYoshiaki UedaManabu Iguchi
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2019 Volume 105 Issue 1 Pages 10-19

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Abstract

Experimental and numerical investigations were carried out to understand cavity formation on a water and a low-melting-point metal bath induced by gas blowing from a top lance set in the near field of the bath surface. A cavity formation behavior was classified by the critical gas velocity of the droplet formation. The depth of the cavity formed in the near field of the gas jet was reasonably predicted by numerical simulation. An empirical equation was newly proposed for the cavity depth as a function of a modified Froude number.

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© 2019 The Iron and Steel Institute of Japan
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